General Aire 1137 Legacy Series Power Humidifier Save 44% Off

• E1 Temperature Compensating Humidistat is included
• Can be set in manual or auto mode.
• Fan-powered unit mounts easily on the warm air plenum and delivers 21.3 GPD
• Evaporator pad replacement number 990-13

The installation on this product was pretty straight forward. The only problem I find is when the water solonoid is turned on there is no "flow" control over the water going in to the humidifier media and there is a LOT of wasted water. After using this a month I found it DOUBLED my water bill because of all the wasted water down the drain. I have since disconnected this humidifer because I don''t need to spend that type of money going down the drain. It would be nice if there was some type of float device that would fill up and the meter the water in to the media and be used instead of pouring water down the drain.

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We have had this for two years now. It worked well in the first year as we saw a significant reduction of static in the house in the winter. We saw a lot of water drain, just like the first reviewer. The second year did not go well as I noticed the fan running and no water flowing. I had to drain the water line and take apart the flow assembly to clean it to get the water to start to flow. It has been trickling and I have to say it is not running like it did in the first year. I''m trying to see if a little TLC might help it along and we get more use out of it.

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I''ve done commercial and residential heating and air since ''97 and have installed literally 100s of these, maybe more. Truth be told there is no difference between this and the other powered humidifiers. They all work off the same principle. These are very easy to service and simple to install and are my favorite just because parts are easy to get. The media pads are available all over the web as well as most hardware stores.

As for the other reviews indicating the massive water waste, they are not installing this properly. Any central humidifier (as in mounted to a furnace) needs the control wires to be tied into the heating circuit on the control board. In fact, most newer furnaces if not all of them also have contacts for landing the 110V wires on so that it can only run during a heating cycle (usually marked "HUM"). Set up properly, this unit will not use that much water. Running this humidifier when the furnace is not in a heating cycle (not just the fan running, but actually heating) is a complete waste of power and waternot to mention how much faster you will wear out the pads.

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We''ve had this unit for over 10 years, aside from changing the filter it''s been maintenance free. A proper installation will include a airflow microswitch that turns the on the fan and allows water flow only when the heater''s blower is on. If you don''t have this then your installation is not complete and you''ll waste a lot of water. During the spring and summer I unplug the unit, shut the water supply off to it and remove and clean the filter compartment which is easy to do.

During the winter when quests come over they all notice the lack of static electricity along with the fact the air just feels better and it''s easier to breathe.

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I Bought This Humidifier To Replace The Old One Which Is Also A General Aire 1137 Humidifier. I Installed It Myself And It Fit Perfectly. Saved A Ton Of Money By Not Having A Plumber Do The Job!